24点 -9 -6 2 7

(-9-(2-7))*-6 ((-9-2)+7)*-6 (-9*2)-(7*-6) (-9*2)-(-6*7) ((-9+7)-2)*-6 (-9+(7-2))*-6 ((-9+7)*2)*-6 (-9+7)*(2*-6) ((-9+7)*-6)*2 (-9+7)*(-6*2) (2-(-9-7))--6 2-(-9-(7--6)) 2-((-9-7)+-6) ((2--9)+7)--6 (2--9)+(7--6) (2*-9)-(7*-6) 2*((-9+7)*-6) (2*(-9+7))*-6 (2--9)-(-6-7) ((2--9)--6)+7 2-((-9+-6)-7) 2-(-9+(-6-7)) (2-(-9+-6))+7 (2*-9)-(-6*7) ((2+7)--9)--6 2+((7--9)--6) (2+(7--9))--6 2+(7-(-9+-6)) (2+7)-(-9+-6) 2*((7+-9)*-6) (2*(7+-9))*-6 ((2+7)--6)--9 2+((7--6)--9) (2+(7--6))--9 2+(7-(-6+-9)) (2+7)-(-6+-9) (2--6)-(-9-7) ((2--6)--9)+7 2-((-6+-9)-7) 2-(-6+(-9-7)) (2-(-6+-9))+7 2*(-6*(-9+7)) (2*-6)*(-9+7) (2-(-6-7))--9 2-(-6-(7--9)) 2-((-6-7)+-9) ((2--6)+7)--9 (2--6)+(7--9) 2*(-6*(7+-9)) (2*-6)*(7+-9) (7-(-9-2))--6 7-(-9-(2--6)) 7-((-9-2)+-6) ((7--9)+2)--6 (7--9)+(2--6) ((7+-9)-2)*-6 (7+(-9-2))*-6 ((7+-9)*2)*-6 (7+-9)*(2*-6) (7--9)-(-6-2) ((7--9)--6)+2 7-((-9+-6)-2) 7-(-9+(-6-2)) (7-(-9+-6))+2 ((7+-9)*-6)*2 (7+-9)*(-6*2) (7-(2--9))*-6 ((7-2)+-9)*-6 ((7+2)--9)--6 7+((2--9)--6) (7+(2--9))--6 7+(2-(-9+-6)) (7+2)-(-9+-6) ((7+2)--6)--9 7+((2--6)--9) (7+(2--6))--9 7+(2-(-6+-9)) (7+2)-(-6+-9) (7--6)-(-9-2) ((7--6)--9)+2 7-((-6+-9)-2) 7-(-6+(-9-2)) (7-(-6+-9))+2 (7-(-6-2))--9 7-(-6-(2--9)) 7-((-6-2)+-9) ((7--6)+2)--9 (7--6)+(2--9) -6*(-9-(2-7)) -6*((-9-2)+7) -6*((-9+7)-2) -6*(-9+(7-2)) -6*((-9+7)*2) (-6*(-9+7))*2 -6*(2*(-9+7)) (-6*2)*(-9+7) -6*(2*(7+-9)) (-6*2)*(7+-9) -6*((7+-9)-2) -6*(7+(-9-2)) -6*((7+-9)*2) (-6*(7+-9))*2 -6*(7-(2--9)) -6*((7-2)+-9) 自己随便挑三个吧